The U.S. dollar is the currency most used in international transactions. Several countries use the U.S. dollar as their official currency, and many others allow it to be used in a de facto capacity. It's known locally as a buck or greenback.

The Ukranian hryvnia, sometimes hryvnya or grivna, has been the national currency of Ukraine since 1996. The hryvnia is subdivided into 100 kopiyok. The hryvnia sign is a cursive Ukrainian letter Ge (₴) with a double horizontal stroke, symbolizing stability.